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From "Dongjoon Hyun (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-15579) SparkUI: Storage page is empty even if things are cached
Date Fri, 27 May 2016 09:04:12 GMT

    [ https://issues.apache.org/jira/browse/SPARK-15579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15303784#comment-15303784
] 

Dongjoon Hyun commented on SPARK-15579:
---------------------------------------

Hi, [~andrewor14]. 

The dangling RDD seems to be removed.

For the following testcases, I can see both at the first. But, after refreshing Storage page
multiple times (about 1 minutes), `rdd2` is gone.
{code}
scala> val rdd1 = sc.parallelize(1 to 10000, 5000).setName("rdd1").cache()
rdd1: org.apache.spark.rdd.RDD[Int] = rdd1 ParallelCollectionRDD[0] at parallelize at <console>:24

scala> rdd1.count()
res0: Long = 10000         

scala> sc.parallelize(1 to 10000, 5000).setName("rdd2").cache().count()
res1: Long = 10000     
{code}

Maybe, not a bug?

> SparkUI: Storage page is empty even if things are cached
> --------------------------------------------------------
>
>                 Key: SPARK-15579
>                 URL: https://issues.apache.org/jira/browse/SPARK-15579
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core, Web UI
>    Affects Versions: 2.0.0
>            Reporter: Andrew Or
>
> scala> sc.parallelize(1 to 10000, 5000).cache().count()
> SparkUI storage page is empty.



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